echography的翻译，读音
英/e'kɔ^rәfi/
释义：
n. [医]( 用超声波进行检查和诊断的) 回波描记术
n using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
n using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs